Leverage

Composer

• 
  Gaemi

Director

• 
  Nam Ki Hoon

Screenwriter

• 
  Min Ji Hyung

Main Role

• 
  Lee Dong Gun

  Lee Tae Joon

  Main Role
• 
  Jeon Hye Bin

  Hwang Soo Kyung

  Main Role
• 
  Kim Sae Ron

  Go Na Byul

  Main Role
• 
  Kim Kwon

  Roy Ryu

  Main Role
• 
  Yeo Hoe Hyun

  Jung Eui Sung

  Main Role

Support Role

• 
  Choi Ja Hye

  Shin Yoo Ri

  Support Role
• 
  Kim Joong Ki

  Jo Joon Hyung

  Support Role
• 
  Kim Kwang Shik

  Park Ki Ho

  Support Role
• 
  Jung Gi Sub

  So Ma

  Support Role
• 
  Kim Seung Wook

  Kim Nam Young

  Support Role
• 
  Choi Hong Il

  Yang Chul Soo

  Support Role

Guest Role

• 
  Park Eun Seok

  Min Yeong Min (Ep. 3-4)

  Guest Role
• 
  Lee Yong Woo

  Ghost Agent (Ep.5-6)

  Guest Role
• 
  Jo Si Yeon

  Ji Yun (Ep. 6-7)

  Guest Role
• 
  Lee Yong Nyeo

  KIm In Sook

  Guest Role
• 
  Jang Gwang

  Baek Jong Goo (Ep. 7-8)

  Guest Role
• 
  Shin Seung Hwan

  Baek In Ho (Ep.7-8)

  Guest Role
• 
  Yong Jin

  [Prisoner]

  Guest Role
• 
  Song Boo Geon

  [Se Ri's Bodyguard](Ep.12)

  Guest Role
• 
  Moon Ji In

  Hong Se Young (Ep. 16)

  Guest Role
• 
  Choi Dae Chul

  Jeong Han Gu

  Guest Role
• 
  Kim Ki Nam

  George Big (Ep. 16)

  Guest Role
• 
  Park Mi Ri

  [Young Min's secretary]

  Guest Role
• 
  Oh Jae Se

  [Joon Hyung's subordinate]

  Guest Role
• 
  Hong Seung Hee

  Yu Jin

  Guest Role
• 
  Jeon Jeong Il

  [Interviewer]

  Guest Role
• 
  Lee Dong Gyu

  [Anchor]

  Guest Role
• 
  Yoon Seo Yeon

  [Girl standing with demonstrators] (Ep. 5)

  Guest Role
• 
  Ban Hye Young

  [Nurse] (Ep. 9-10)

  Guest Role
• 
  Na Seok Min

  [Prison guard] (ep.3)

  Guest Role
• 
  Koo Ja Keon

  [Bodyguard]

  Guest Role
• 
  Lim Jung Min

  [Detective] (Ep. 3)

  Guest Role
• 
  Tae Yul

  [Homicide Detective]

  Guest Role
• 
  Yoo Ha Bok

  Kim Jae Min [Chief Commissioner of Police]

  Guest Role
• 
  Yoo Jung Ho

  Joo Chong Sil [Castle Security CEO]

  Guest Role
• 
  Sean Richard Guest Role
• 
  Park Jung Ah

  Choi Se Ri / Choi Young Ja [CEO of a construction company] (Ep. 11-13)

  Guest Role
• 
  Kim Joo Ryoung

  [Old & Gold employee]

  Guest Role
• 
  Cha Soo Min

  [Engineering student hacker]

  Guest Role
• 
  Park Young Rin

  Lawyer Han (Ep.9-10)

  Guest Role
• 
  Lee Jae Won

  Kim Min Jun [Assistant Director] (Ep. 9-11)

  Guest Role
• 
  Yang Joon Myung

  [Museum guard]

  Guest Role
• 
  Song Hoon

  [Doctor diagnose Alzheimer's disease]

  Guest Role
• 
  Moon Hak Jin

  (Ep. 3)

  Guest Role
• 
  Kang Yoo Ra

  [Patient girl]

  Guest Role
• 
  Lee Su Min

  [Bodyguard]

  Guest Role

Unknown

• 
  Yoo Ji Hyuk Unknown
• 
  Jin Shi Won Unknown
• 
  Go Gyeong Min Unknown
• 
  Kim Kyu Na Unknown
• 
  Jung Jong Woo Unknown
• 
  Byun Joo Hyun Unknown
• 
  Kim Min Joong Unknown
• 
  Cha Jae Hyun Unknown
• 
  Choi Seul Ki Unknown
• 
  Choi Hyoung Uk Unknown
• 
  Cha U Yeong Unknown
• 
  Jin Hye Lin

  [Nurse]

  Unknown